domblkstat
Displays status information about a virtual block device.
Syntax
Where:- <device-name>
- Is the name of the virtual block device.
- <VS>
- Is the name, the ID, or the UUID of the virtual server.
Selected options
- --domain
- Specifies the virtual server.
- --human
- Replaces abbreviations by written-out information.
Usage
Displaying information about a virtual serverExample
Obtain the device names of the block devices of virtual server vserv1:# virsh domblklist vserv1
Target Source
------------------------------------------------
vda /dev/disk/by-id/dm-uuid-mpath-36005076305ffc1ae00000000000023be
Obtain information about the virtual block device vda:# virsh domblkstat vserv1 vda
vda rd_req 20359
vda rd_bytes 235967488
vda wr_req 4134
vda wr_bytes 52682752
vda flush_operations 1330
vda rd_total_times 49294200385
vda wr_total_times 4403369039
vda flush_total_times 256032781
Alternatively, display written-out
information:# virsh domblkstat vserv vda --human
Device: vda
number of read operations: 20359
number of bytes read: 235967488
number of write operations: 4348
number of bytes written: 54353920
number of flush operations: 1372
total duration of reads (ns): 49294200385
total duration of writes (ns): 4626108064
total duration of flushes (ns): 265417103